Never in the history of mankind have the living conditions and prospects of so many people changed so dramatically and so fast.

The birthplace of the Industrial Revolution, Great Britain, took 150 years to double its output. The United States, which industrialized later, took 50 years. Both countries had a population of less than 10 million when they industrialized. Today China and India with populations over a billion each have doubled their output in less than 20 years — and many other developing countries have done so as well.

According to the UN’s recent Human Development Report — which everyone should read online; it is more exciting than most novels — by 2050 Brazil, China and India will account for 40 per cent of the world’s output. The combined incomes of eight developing countries — Brazil, Argentina, China, India, Indonesia, Mexico, South Africa and Turkey — already equals that of the United States.

Their success is boosting the fortunes of many of the poorer countries, not least in Africa, because of higher levels of trade, investment and capital inflows and, perhaps most critically, India’s sale of affordable medicines and medical equipment.

The most important engine of growth of the developing South is their own domestic markets. The middle class is growing at a pace like never before. Within a dozen years the South will account for three-fifths of the 1 billion households earning more than $20,000 a year. Between 1990 and today, the South’s share of the world’s middle-class population expanded from 28 per cent to 58 per cent. Even in the poorer parts of India or Africa, mobile phones, motorbikes and contraceptives are fairly common. Phone sales are up to a cumulative 600 million in Africa — and climbing fast.

International trade has rocketed. Not just China with its massive amount of cheap exports but also the likes of Thailand with its exports of parts and components in the auto and electronics industries; Kenya, which has cornered much of the fresh flower market in Europe, and Brazil with its aircraft industry. Between 1980 and 2010, the South increased its share of world merchandise trade from 25 per cent to 47 per cent and its share of world output from 33 per cent to around a half. South-South trade has also increased fast, from less than 8 per cent of world merchandise trade to more than 26 per cent today.

This is improving the lot of the world’s poor not just in incomes but in infant and maternal mortality, disease, education, the provision of fresh water and sewerage which are, in my opinion, more important than incomes. Even by the conventional measure of poverty — national income per head — the number of people in extreme poverty has fallen from 43 per cent 20 years ago to 20 per cent today. In China alone, 500 million people have been lifted out of poverty. The Millennium Development Goal of halving the proportion of people living on less than $1.25 a day relative to 1990 has been met five years before the target date. The Economist in a recent cover story estimates that extreme poverty will fall by 2030 to a mere 3 per cent of the total developing world population.

Over the last decade, Africa, once the backwater of development, has started steadily to move ahead. The region has grown at 5 per cent a year in recent years — and that’s an average. The two most populous countries, Nigeria and Ethiopia, have averaged over 7 per cent. Africa has six out of the world’s top-10 fastest growing countries today. A lot of it is due to the boom in commodity buying — everything from bananas and sisal to iron ore and oil — in particular by China. But growth is also strong in countries that rely on a more diversified economy and agriculture. Even net importing countries, such as Ethiopia, Rwanda and Uganda, continue to grow fast. During the present Great Recession, thanks to a recent past of sound fiscal and monetary management, growth has been only been marginally affected.

The UN’s Human Development Index is the best way to measure poverty because it factors in not just income levels but infant mortality, education and such. By this standard only two countries have not increased their well-being — Zimbabwe and Lesotho. Out of 132 developing countries, a good 40 have shot up fast in the index. A sample: Ghana, Rwanda, Mozambique and Gabon in Africa; Bangladesh, Sri Lanka and India in South Asia; Tunisia and Qatar in the Arab states; China, Laos and Vietnam in East Asia; and Brazil, Mexico and Chile in South America.

What’s my message? Go, baby, go!

Jonathan Power is an international affairs writer and author of Conundrums of Humanity: The Quest for Global Justice.

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